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Application filed by Inspectoratul General Al MilitieifiledCriticalInspectoratul General Al Militiei
Priority to RO80100241ApriorityCriticalpatent/RO81634A2/ro
Publication of RO81634B1publicationCriticalpatent/RO81634B1/ro
Publication of RO81634A2publicationCriticalpatent/RO81634A2/ro
Inventia se refera la stigma-sterilbenzoati, cristale lichide colesterice, care sunt mezogeni derivati de la 24-S-stigmasta-5,2-dien-3-(beta-0,1, denumit si stigmasterol, compusi care au proprietati ale cristalelor lichide colesterice si smectice. Acesti compusi au structura chimica din formula generala I: (vezi formula) în care R reprezinta metil, clor, metoxi, cian sau fenil si au proprietati de cristale lichide colesterice în intervalul de temperatura de 148...256 degree C.